import Vue from 'vue'
import VueRouter from 'vue-router'

import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/User/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  {
    path:'/',
    redirect:'/login',

  },
  {
    path:'/login',
    component:Login,
  },{
    path:'/home',
    component:Home,
    redirect:'/welcome',
    children:[
      {
        path:'/welcome',
        component:Welcome,
      },
      {
        path:'/users',
        component:Users,
      },
      {
        path:'/rights',
        component:Rights
      },
      {
        path:'/roles',
        component:Roles
      },
      {
        path:'/categories',
        component:Cate,
      },
      {
        path:'/params',
        component:Params,
      },
      {
        path:'/goods',
        component:GoodList,
      },
      {
        path:'/goods/add',
        component:Add,
      },
      {
        path:'/orders',
        component:Order,
      },
      {
        path:'/reports',
        component:Report,
      },
    ]
  }
]

const router = new VueRouter({
  routes
})

router.beforeEach((to,from,next)=>{
  if (to.path==='/login') return next()   //login页面直接放行
  const tokenStr= window.sessionStorage.getItem('token')//获取token值
  if(!tokenStr) return next('/login')//当token为空时，返回login
  next()//当token不为空时，直接放行
})
export default router
